Press release
TimeTree Forms Capital and Business Alliance with SK Telecom, Korea's Largest Mobile Operator
TimeTree Inc., the global calendar-sharing platform, announced a strategic capital and business alliance with SK Telecom (SKT), South Korea's largest mobile operator. Under the agreement, SKT will invest 2.2 billion in TimeTree to accelerate the company's development of advanced AI features and global expansion.
A Strategic Partnership for the AI Era
This partnership was made possible by SKT's recognition that TimeTree's dataset of 13 billion schedules and its 67 million global users provide a strong foundation for AI-driven value creation. Together, TimeTree [https://timetreeapp.com] and SKT will co-develop next-generation AI features that transform schedules into natural triggers for intelligent agents-enabling proactive recommendations, automated bookings, and personalized planning.
Market Leadership and Growth Momentum
Launched in 2015, TimeTree has grown rapidly under its vision of a "calendar to be shared." The platform now counts more than 31 million users in Japan, with nearly one million new users joining each month worldwide. In 2024, TimeTree introduced Public Calendar, enabling organizations to broadcast events at scale across entertainment, business, and government sectors. This innovation is redefining TimeTree as a "schedule-based media platform" that connects people with real-time information and opportunities.
Image: https://www.globalnewslines.com/uploads/2025/09/57ac6f33fe4d5d38b9c1eaa487c64208.jpg
SK Telecom's Commitment to AI
SKT's investment reflects its broader AI strategy, spanning semiconductors, infrastructure, and generative AI services. By combining SKT's AI expertise with TimeTree's rich dataset and user base, the partnership aims to deliver lifestyle-oriented AI services that integrate seamlessly into daily life, from smart recommendations to automated reservations and personalized scheduling.
Future Vision
TimeTree will direct the investment into three strategic priorities: Core AI development - creating next-generation AI features using schedules as natural triggers / Global talent acquisition - strengthening AI innovation capacity / Global marketing - driving user growth in Japan, Korea, and worldwide
Chajin Park, CEO of TimeTree, said: "The essence of TimeTree's AI agent [https://timetreeapp.com] is to use schedules as natural action triggers. SK Telecom recognized both our unique approach and the value of our 67 million-user dataset, making SKT not only our lead investor but also a true strategic partner. This alliance marks a turning point as we expand from Japan to Korea and beyond, leading a new paradigm of schedule-centered AI." Ryu Young-sang, CEO of SK Telecom, added: "Partnering with TimeTree offers SK Telecom a powerful opportunity to extend our AI agent technologies into global markets. Together, we will expand the AI ecosystem across Korea, Japan, and beyond."
A Cross-Border Growth Story
Founded in 2014 in Tokyo by Chajin Park, former CEO of Kakao Japan, TimeTree has been backed by leading Korean investors from its early days. Today it is recognized as a rising unicorn, with a goal of reaching 100 million users by 2026 and a mission of "connecting people and society through time."
TimeTree Links
Usage: https://support.timetreeapp.com/hc/en-us/sections/360000040401-About-Public-Calendars
Android: https://play.google.com/store/search?q=timetree&c=apps
IOS: https://apps.apple.com/us/app/timetree-shared-calendar/id952578473
About TimeTree
Established: Sep 1st, 2014
Founder & CEO: Frodo (Chajin) Park, Fukagawa Yasuto
Address: Central Park Tower 18F, 6-18-1 Nishishinjuku,
Shinjuku-Ku, Tokyo, Japan
Business: Developing and servicing calendar sharing application "TimeTree"
Country: Japan
About the Calendar Sharing App TimeTree
The calendar sharing app 'TimeTree' is a calendar service premised on sharing and communication. It allows easy schedule sharing among multiple people-families, partners, clubs, workplaces, and more-and enables users to create multiple calendars tailored to different purposes. Since beginning service on March 24, 2015, it has surpassed 67 million registered users worldwide as of August 2024. It is widely used in users' daily lives as a "wall calendar inside your smartphone."
About TimeTree Public Calendar
'TimeTree Public Calendar' is a platform where anyone can easily distribute and follow event information in calendar format. By simply following their favorite calendars, users can link various event information to their own calendars-from useful information like sales and campaigns to outdoor activities, sports team game schedules, and entertainment-related information.
Media Contact
Company Name: TimeTree, Inc.
Contact Person: Leo Park
Email: Send Email [http://www.universalpressrelease.com/?pr=timetree-forms-capital-and-business-alliance-with-sk-telecom-koreas-largest-mobile-operator]
Country: Japan
Website: https://timetreeapp.com
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